Questions on Algebra: Linear Equations, Graphs, Slope answered by real tutors!

Tutors Answer Your Questions about Linear-equations (FREE)

Question 242795: Determine the equation of the line described. Put answer in the slope-intercept form, if possible. Through (1,-8), perpendicular to -7x-4y=25. Thank you
Click here to see answer by stanbon(75887)

Question 242806: I got the first three questions,but I am having a hard time coming up with the nonlinear functions and providing two inputs. Algebra is very new to me. It is my first class ever. Thank you.

What similarities and differences do you see between functions and linear equations?
Are all linear equations functions?
Is there an instance when a linear equation is not a function? Support your answer.
Create an equation of a nonlinear function and provide two inputs for your classmates to evaluate.
Click here to see answer by oberobic(2304)

Question 242830: what percent of 140 is 49?

Click here to see answer by unlockmath(1688)

Question 242831: -x/3 = 1/8
Click here to see answer by unlockmath(1688)

Question 242885: 6x+5y/2=46
Click here to see answer by stanbon(75887)

Question 242885: 6x+5y/2=46
Click here to see answer by checkley77(12844)

Question 242829: The points (1,5), (4,5), and (1,0) represent three corners of a rectangle; find the coordinates of the fourth point.
Find an equation in slope-intercept form passing through the points (2,5) and (7,-3).
Seven inches are equivalent to 17.78 cm. Find the equation converting length in cm to length in inches. What is the length in inches of a 96.2 cm bar?
Graph the following equations; calculate the slope, x-intercept, and y-intercept, and label the intercepts on the graph.
3. (5 points) y = x + 3
4. (5 points) y = -2x - 7
5. (5 points) 2x + 3y = 9

Click here to see answer by nyc_function(2741)

Question 242914: Can you help me with a problem I am trying to write an equation in slope intercept form for the line that contains each ordered pair (4,2), (-6,7)
Click here to see answer by checkley77(12844)

Question 243011: Write the equation in slope-intercept form for the line through (-2, 6) and perpendicular to 2x-3y=5
Click here to see answer by jim_thompson5910(35256)

Question 243032: solve using any appropriate method. Full work out please.
2.1x - 0.9y =15
-1.4x + 0.6y=10
Click here to see answer by nyc_function(2741)

Question 243032: solve using any appropriate method. Full work out please.
2.1x - 0.9y =15
-1.4x + 0.6y=10
Click here to see answer by oberobic(2304)

Question 243026: Solve using the elimination method

10a+6b=8,
5s+3b=2
Click here to see answer by nyc_function(2741)

Question 243022: How to write a quadratic equation.
Click here to see answer by nyc_function(2741)

Question 243084: Decide whether the pair of lines is parallel, perpendicular or neither
3x-4y=-14 and 8x+6y=-13
Click here to see answer by stanbon(75887)

Question 243091: is the point 9,3 a solution of the equation y=5x+3
Click here to see answer by Alan3354(69443)

Question 243163: write an equation in slope intercept form for a line that passes through the given points (7,-2) and (2,6)
Click here to see answer by checkley77(12844)

Question 243168: x-intercept:-3,y-intercept:6
I need to know what the equation of the line that has each pair of intercepts. Can you show me the way to figure it out so I can do my homework?
Click here to see answer by vleith(2983)

Question 243222: solve the system of equations by graphing, Identify if the system is inconsistent or dependent
y=1/2x+2
y=2x-1
Click here to see answer by oberobic(2304)

Question 243223: graph the line
y = -3x + 3
Click here to see answer by oberobic(2304)

Question 243230: solve each equation then graph solutions and identify if they are dependent or inconsistent
2x+2y=8
x+y=4
Click here to see answer by rapaljer(4671)

Question 243275: Find the slope and the y-intercept of each line whose equation is given
7x=5y or 7x+0=5y

Click here to see answer by stanbon(75887)

Question 243285: What is the easiest way to find the value of x and y and doing linear graphs? For example the question is x + y = -3. I can't believe that you are just suppose to pick a number out of mid air as my book is telling me - there has to be a more logical way that I'm not getting.
Click here to see answer by oberobic(2304)

Question 243280: solve and determine whether each system has no solution, one solution or an infinite number of solutions show why
y=4x+6
8x-y= -7
Click here to see answer by oberobic(2304)

Question 243291: x +2y =4 Graph the equation.
I need some help on this.. Thank you
Click here to see answer by oberobic(2304)

Question 243292: 2s-13t=120 , -14s+91t=-840
Click here to see answer by checkley77(12844)

Question 243313: What is the equation of the line containing the given pair of points?
(-5,-9) and (-2,-7)
y=?
Answer must be simlified. Thanks
Click here to see answer by rfer(16322)

Question 243318: Find an equation of the line containing the given pair of points
(1/4,-1/2) and (3/4,2)
What is the equation of the line?
y=?
Simplify your answer
Click here to see answer by rfer(16322)

Question 243262: find the equation of the line perpendicular to the line 3x-7y+2=0 and passing through the point (3,7)
Click here to see answer by checkley77(12844)

Question 243328: I need help with writing an equation of the line containg the given point and perpendicular to the given line.
(7,9),6x+y=3
Can anyone help please?
Click here to see answer by nerdybill(7384)

Question 243344: The line with slope 1/4 that passes through the point (0, 3)
Click here to see answer by College Student(505)

Question 243324: Write an equation of the line containing the given point and parallel to the given line. Express your answer in y=mx+b
(-9,5), 7x=5y+6
Simplify your answer
Click here to see answer by checkley77(12844)

Question 243322: Write an equation of the line containing the given point and parallel to the given line. Express your answer in y=mx+b.
(7,8, x+2y=7
The equation of the line is y=[-x/2=12]
Simplify your answer
Click here to see answer by checkley77(12844)

Question 243341: Find and equation of the line containing the given pair of points
(-7,-2)and (-1,-3)
The equation of the line in slope-intercept form is y=?
Simplify your answer.
Can anyone please help me I'm going crazy trying to find the answer. Thanks
Click here to see answer by checkley77(12844)

Question 243362: while hiking up a hill Pedro notice that every 1/2 hour his elvation changed by 150 feet. What is the slope of this linear relationship
Click here to see answer by rapaljer(4671)

Question 243337: Find an equation of the line containing the given pair of points
(1/4,-1/2) and (3/4,2)
What is the equation of the line?
y=?
Simplify your answer
Can anyone help please
Click here to see answer by Alan3354(69443)

Question 243498: Find an equation of the line having the given slope and containing the given point.
m=0,(0,-1)
The equation of the line is y=?
Can anyone please help?Thank you
Click here to see answer by oberobic(2304)

Question 243511: Find the function value
f(x)=x with the power of 3
f(5)=?
Can someone help with this one?Thanks
Click here to see answer by oberobic(2304)

Question 243507: Find the slope, if it exists, of the line containing the two pairs of points.
(-12,1) and (-14,5)
The slope m=?
I need an iterger or simlified fraction.
Can you please help me with this one?
Click here to see answer by College Student(505)

Question 243527: Find the slope if it exists x+8y=16 I cannot seem to get linear equations there are just too many different things that can be done. I am completely frustrated
Click here to see answer by jim_thompson5910(35256)

Question 243547: Write an equation of the line containing the given point and parallel to the given line.
(4,-4), 2x-7y=3
The equation of the line is y=?
Simplify the answer.
Can anyone help me on this one it really has me stumped. Thanks
Click here to see answer by jim_thompson5910(35256)

Question 243546: Find the slope of the graph of the linear function f
f(5/2) = 7/2
f(4) = 6
I am a parent trying to answer my sons question and explain it to him
Thanks
Click here to see answer by jim_thompson5910(35256)

Question 243549: Find the slope-intercept equation of the line that has the given characteristics
Slope 4 and y-intercept (0,3)
y=?
help please I have never done this before and I need help with it Thanks
Click here to see answer by jim_thompson5910(35256)

Question 243544: Find an equation of the line containing the given pair of points
(-3,0)and (0,5)
What is the equation of the line y=?
answer must be in y-intercept form
can anyone help?
Click here to see answer by jim_thompson5910(35256)

Question 243550: Write an equation in slope-intercept form of the line that passes through the given point and is perpendicular to the graph of each equation.
4x-3y=7; (5, -2)
Click here to see answer by jim_thompson5910(35256)

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